#pragma once
#include"Protocol.hpp"
#include<iostream>

class Cal 
{
public:
    Response Execute(Request& req)
    {
        Response resp(0, 0);
        switch (req.Oper()) 
        {
            case '+':
                resp.SetResult(req.X() + req.Y());
                break;
            case '-':
                resp.SetResult(req.X() - req.Y());
                break;
            case '*':
                resp.SetResult(req.X() * req.Y());
                break;
            case '/':
            {
                if(req.Y() == 0)
                {
                    resp.SetCode(1);
                }
                else
                {
                    resp.SetResult(req.X() / req.Y());
                }
            }
                break;
            case '%':
            {
                if(req.Y() == 0)
                {
                    resp.SetCode(2);
                }
                else 
                {
                    resp.SetResult(req.X() % req.Y());
                }
            }
                break;
            default:
                resp.SetCode(3);
                break;
        }
        return resp;
    }
};